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Finding the Fourth Proportional to 63,560.47, 87,713.21 and 34,880.62

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Solution

The fourth proportional to 63,560.47, 87,713.21 and 34,880.62 is: 48,135.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,560.47 : 87,713.21 = 34,880.62 : x
  2. Step 2: Convert to fraction form
    63,560.47/87,713.21 = 34,880.62/x
  3. Step 3: Cross multiply
    63,560.47x = 87,713.21 × 34,880.62
  4. Step 4: Simplify right side
    63,560.47x = 3,059,491,146.99
  5. Step 5: Solve for x
    x = 3,059,491,146.99/63,560.47
  6. Step 6: Final answer
    x = 48,135.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.